grazing pressure Agricultural robots 1 Agricultural system 1 Animal husbandry 1 Beneficial effects 1 Conservation tillage 1 Cosmic exergy 1 Cosmology 1 Crops 1 Ecological farm mode 1 Ecology 1 Economic benefits 1 Electric conductivity 1 Electrical conductivity 1 Emergetic ecological footprint analysis 1 Exergy 1 Investments 1 Long-term raised field 1 Saline–alkali land 1 Soil conservation 1 Soil electrical conductivity 1 Theoretical foundations 1 alkalinity 1 alternative agriculture 1 animal husbandry 1 assessment method 1 electrical conductivity 1 farming system 1 grazing management 1 herbage mass 1